The author of this work, Shaykh al-Islām Ahmad al-Bashtakī, lived in Bashtak near central Cairo. The work goes through the 13 months of the Coptic calendar: Tūt (Thout), Bāba (Paopi), Hātūr (Hathur), Koihak (Koiak), Tūba (Tobi), Imshīr (Meshir), Baremhāt (Paremhat), Barmūda (Paremoude), Bashons (Pashons), Bawna or Būna (Paoni), Ibīb (Epip), Misurī (Mesori), and the Days of Nasī (ayyām al-nasī; also known as the Little Month, Pi Kogi Enavot, or El Nasii). The work gives the corresponding months in the Roman and Persian calendars, notes the astrological significance of days, and ...